Mexico City, Mexico, 1/2 real, Charles-Joanna, "Late Series," assayer O to right, o in middle, mintmark oM to left (oM-o-O). Nesmith-107; S-M10; CT-185. 1.40 grams. Crude AVF with flat areas, glossy black staining, hairline edge-split, interior details and some legend clear. ($250-375)